Details for Selection
| Standard label: | Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period |
| Name: | us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod |
| Documentation: | The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. |
| Commentary: | |
| Data type: | Shares (xbrli:sharesItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Concept] |